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Burden of Influenza-Associated Respiratory Hospitalizations, Vietnam, 2014–2016

Authors
  • Khanh, Nguyen Cong
  • Fowlkes, Ashley L.
  • Nghia, Ngu Duy
  • Duong, Tran Nhu
  • Tu, Ngo Huy
  • Tu, Tran Anh
  • McFarland, Jeffrey W.
  • Nguyen, Thoa Thi Minh
  • Ha, Nga Thu
  • Gould, Philip L.
  • Thanh, Pham Ngoc
  • Trang, Nguyen Thi Huyen
  • Mai, Vien Quang
  • Thi, Phuc Nguyen
  • Otsu, Satoko
  • Azziz-Baumgartner, Eduardo
  • Anh, Dang Duc
  • Iuliano, A. Danielle
Type
Published Article
Journal
Emerging Infectious Diseases
Publisher
Centers For Disease Control and Prevention
Publication Date
Oct 01, 2021
Volume
27
Issue
10
Pages
2648–2657
Identifiers
DOI: 10.3201/eid2710.204765
PMID: 34545793
PMCID: PMC8462305
Source
PubMed Central
Keywords
Disciplines
  • Burden of Influenza-Associated Respiratory Hospitalizations, Vietnam, 2014–2016
License
Unknown

Abstract

Influenza burden estimates are essential to informing prevention and control policies. To complement recent influenza vaccine production capacity in Vietnam, we used acute respiratory infection (ARI) hospitalization data, severe acute respiratory infection (SARI) surveillance data, and provincial population data from 4 provinces representing Vietnam’s major regions during 2014–2016 to calculate provincial and national influenza-associated ARI and SARI hospitalization rates. We determined the proportion of ARI admissions meeting the World Health Organization SARI case definition through medical record review. The mean influenza-associated hospitalization rates per 100,000 population were 218 (95% uncertainty interval [UI] 197–238) for ARI and 134 (95% UI 119–149) for SARI. Influenza-associated SARI hospitalization rates per 100,000 population were highest among children <5 years of age (1,123; 95% UI 946–1,301) and adults > 65 years of age (207; 95% UI 186–227), underscoring the need for prevention and control measures, such as vaccination, in these at-risk populations.

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